622045321213 has 2 divisors, whose sum is σ = 622045321214. Its totient is φ = 622045321212.

The previous prime is 622045321207. The next prime is 622045321217. The reversal of 622045321213 is 312123540226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 575956530724 + 46088790489 = 758918^2 + 214683^2 .

It is a cyclic number.

It is not a de Polignac number, because 622045321213 - 2³⁷ = 484606367741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622045321217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311022660606 + 311022660607.

It is an arithmetic number, because the mean of its divisors is an integer number (311022660607).

Almost surely, 2^622045321213 is an apocalyptic number.

It is an amenable number.

622045321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

622045321213 is an equidigital number, since it uses as much as digits as its factorization.

622045321213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 622045321213 its reverse (312123540226), we get a palindrome (934168861439).

The spelling of 622045321213 in words is "six hundred twenty-two billion, forty-five million, three hundred twenty-one thousand, two hundred thirteen".